The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Aug. 27, 1985
Filed:
Aug. 18, 1983
Applicant:
Inventor:
Paul A Holmes, Middlesbrough, GB;
Assignee:
Imperial Chemical Industries PLC, London, GB;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
D01D / ;
U.S. Cl.
CPC ...
2642105 ; 2642101 ; 2642356 ;
Abstract
3-Hydroxybutyrate polymers are formed into oriented shaped articles by drawing a partially crystallized preform to increase at least one dimension by at least 200%, and then increasing the degree of crystallization while maintaining the drawn preform in the drawn condition.